JPS5811706U - lens barrel - Google Patents

lens barrel

Info

Publication number
JPS5811706U
JPS5811706U JP10510581U JP10510581U JPS5811706U JP S5811706 U JPS5811706 U JP S5811706U JP 10510581 U JP10510581 U JP 10510581U JP 10510581 U JP10510581 U JP 10510581U JP S5811706 U JPS5811706 U JP S5811706U
Authority
JP
Japan
Prior art keywords
lens barrel
lens
curvature
abstract
spherical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10510581U
Other languages
Japanese (ja)
Inventor
博実 佐藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP10510581U priority Critical patent/JPS5811706U/en
Publication of JPS5811706U publication Critical patent/JPS5811706U/en
Pending legal-status Critical Current

Links

Landscapes

  • Lens Barrels (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来の一例を示す縦断側面図、第２図はこの考
案の一実施例を示す縦断側面図である。 １１・・・・・・筒状部、１２・・・・・・、レンズ、
１３・・・・・・外径部、１４・・・・・・突部。FIG. 1 is a longitudinal side view showing an example of a conventional device, and FIG. 2 is a longitudinal side view showing an embodiment of this invention. 11... Cylindrical part, 12... Lens,
13...Outer diameter part, 14...Protrusion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] レンズの外径部を保持する筒状部の内面に、前記レンズ
の球面曲率半径と同じ曲率の球面を有して前記レンズの
間隔を定める突部を設けたことを特徴とするレンズ鏡胴
。1. A lens barrel, characterized in that a protrusion having a spherical surface having the same radius of curvature as the spherical radius of curvature of the lens and defining an interval between the lenses is provided on the inner surface of a cylindrical portion that holds an outer diameter portion of the lens.
JP10510581U 1981-07-15 1981-07-15 lens barrel Pending JPS5811706U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10510581U JPS5811706U (en) 1981-07-15 1981-07-15 lens barrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10510581U JPS5811706U (en) 1981-07-15 1981-07-15 lens barrel

Publications (1)

Publication Number Publication Date
JPS5811706U true JPS5811706U (en) 1983-01-25

Family

ID=29899657

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10510581U Pending JPS5811706U (en) 1981-07-15 1981-07-15 lens barrel

Country Status (1)

Country Link
JP (1) JPS5811706U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018045003A (en) * 2016-09-12 2018-03-22 正和 川田 Spacing ring, lens system, method of manufacturing spacing ring, and method of assembling lens system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5027843B1 (en) * 1970-05-08 1975-09-10
JPS5037945B1 (en) * 1969-04-10 1975-12-05

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5037945B1 (en) * 1969-04-10 1975-12-05
JPS5027843B1 (en) * 1970-05-08 1975-09-10

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018045003A (en) * 2016-09-12 2018-03-22 正和 川田 Spacing ring, lens system, method of manufacturing spacing ring, and method of assembling lens system

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